First results of fD and fDs in lattice QCD with exact chiral symmetry

被引：0

作者：

Chiu, Ting-Wai ^{[1
]}

Hsieh, Tung-Han ^{[2
]}

Lee, Jon-Yu ^{[1
]}

Liu, Pei-Hua ^{[1
]}

Chang, Hsiu-Ju ^{[1
]}

机构：

[1] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan

[2] Natl United Univ, Commiss Gen Educ, Phys Sect, Miaoli, Taiwan

来源：

PARTICLES AND NUCLEI | 2006年 / 842卷

关键词：

pseudoscalar decay constant; lattice QCD; chiral fermion;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The decay constants of D and D-s are determined in quenched lattice QCD with exact chiral symmetry. Our results are: f(D) = 235(8)(14) MeV, and f(Ds) = 266(10)(18) MeV [1]. The latest experimental result of f(D+) from CLEO [3] is in good agreement with our prediction.

引用

页码：243 / 245

页数：3

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